四维图新：SA8620P和SA8650P采用的端到端大模型为公司自主研发

Group 1 - The core point of the article is that the end-to-end large model used in Siwei Tuxin's SA8620P and SA8650P is developed independently by the company [1] Group 2 - An investor inquired on the investor interaction platform about the origin of the large model used in Siwei Tuxin's products [1] - Siwei Tuxin confirmed on August 12 that the large model is self-developed [1]